Night Watcher AI home

Free research tools

Free business research tools and calculators

Compare ideas, research competitors and test your business assumptions. These tools use your inputs, not estimates from our company database.

  • No account needed
  • Inputs stay in your browser
  • Every formula shown

Size a market

How big the market is, how much of it you can serve, and how much you could realistically win.

1 tools
Calculator · 4 inputs

TAM SAM SOM Calculator

Size a market from the bottom up: count potential customers, price them, then narrow to the part you can serve and the part you can realistically win.Example · SOM: serviceable obtainable market / year$3,600,000

Value a business

What a site or subscription business could be worth, and how long a purchase takes to pay back.

3 tools
Calculator · 5 inputs

Website Worth Calculator

Estimate website value from monthly profit and your chosen multiples. Compare three scenarios without sharing your financial data.Example · Base scenario$120,000Calculator · 4 inputs

SaaS Valuation Scenario Calculator

Explore low, base and high SaaS valuation scenarios using your annual recurring revenue and chosen multiples.Example · Base scenario$300,000Calculator · 3 inputs

SaaS Acquisition Payback Calculator

Calculate how long a business purchase could take to pay for itself using purchase costs and monthly cash flow assumptions.Example · Payback period32.5 months

Model revenue

Pricing, subscriptions, free-to-paid conversion and monetization, from your own numbers.

4 tools
Calculator · 5 inputs

Subscription Revenue Forecast Calculator

Project subscription customers and revenue from starting customers, monthly additions, churn and pricing. Explore up to ten years of assumptions.Example · Ending MRR$7,298.2Calculator · 4 inputs

SaaS Pricing and Unit Economics Calculator

Model monthly revenue, contribution, operating surplus and break-even customers from your pricing and cost assumptions.Example · Monthly surplus / loss$3,000Calculator · 4 inputs

Freemium Conversion Calculator

Model paid upgrades and added monthly recurring revenue from a free-user cohort. See how conversion and pricing change the outcome.Example · Added MRR$4,000Calculator · 7 inputs

Website Monetization Calculator

Compare advertising, affiliate and subscription revenue scenarios using your own traffic, conversion and pricing assumptions.Example · Advertising / month$500

Measure growth and marketing

Turn two data points into a growth rate, and search traffic into a return.

2 tools
Calculator · 3 inputs

Compound Monthly Growth Rate Calculator

Calculate CMGR, total percentage growth and absolute change from your starting and ending values.Example · Compounded monthly growth5.95%Calculator · 5 inputs

SEO ROI Calculator

Model SEO return from additional organic visits, customer conversion and gross profit. Compare expected profit against your campaign costs.Example · Modeled ROI166.67%

Compare and decide

Structured worksheets for competitor research and choosing between ideas. Download your work as Markdown.

2 tools
Worksheet

Competitor Analysis Template Builder

Create an editable competitor comparison worksheet. Record positioning, pricing, evidence and unanswered questions, then download your research.Downloads as MarkdownWorksheet

Business Idea Comparison Tool

Compare three business ideas using weighted scores for demand evidence, customer access, build effort and potential returns. Download your decision worksheet.Downloads as Markdown

Beyond your own assumptions

Research the market behind your assumptions

Night Watcher helps you investigate companies and search demand before deciding what to build: traffic, growth, pricing and the searches buyers are making.

See this week's openingsExplore Night Watcher plans